Following this week’s fourth developer preview of OS X 10.11, Apple has released the second El Capitan public beta to testers. The OS X public beta allows Mac users to test the new features included in the operating system update and submit feedback ahead of its public release later this fall. Participation in Apple’s public beta program does not require a paid developer member account.

OS X 10.11 El Capitan was first unveiled in June and introduces several feature and performance...